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ACZ <br />ACZ Inbororaricr, Inc. <br />30480 Dbwnhrll Drive <br />Srcamboa! Sprfngr, CO 80487 <br />(800) 334-5493 <br />Kerr Coal Co. <br />P.O. Box 487 <br />Walden, CO 80480 <br />Jim Mossman <br />cc: Jay James <br />Lab Sample ID: L13913-02 <br />Client Sample ID: 317 <br />Client Project ID: <br />ACZ Report ID: RG45/a3 <br />Date Sampled: 5/2//97 <br />Date Received: 5/13/97 <br />Date Reported: 6//6/97 <br />Sample Matrix: Surface Water <br />Conductivity (Field) Field Meaurement 300 umhos/cm 5/21/97 jm <br />pH (Ficld) Field Measurement 8.2 units 521/97 jm <br />Temperature (Ficld) Field Measurement 13.0 C 521/97 jm <br />Metals Analysis <br />Calcium, dissolved M200.11CP 45 mg/L I 5 6/4/97 kr <br />Iron, total M200.71CP 0.62 mg/L 0.01 0.05 6/5/97 jaw <br />Magnesium, dissolved M200.7 ICP I I mg/L 1 5 6/4/97 kr <br />Manganese, total M200.7 ICP 0.054 mg/L 0.005 0.03 6/4/97 jaw <br />Potazsium, dissolved M200.7 ICP 2.6 mg/L 0.3 I 6/3/97 jaw <br />Sodium, dissolvcd M200.7 ICP 39.6 mg/L 0.7 1 6/4/97 jaw <br />Metals Pre <br />Total Hot Platt Digcstion M30101CP 6/4/97 laa <br />Wet Chemist <br />Alkalinity az CaC03 M310.1 <br />Bicarbonate az CaC03 161 mg/L 2 10 6/5/97 sh <br />Carbonate az CaC03 U mg/L 2 10 6/5/97 sh <br />Hydroxide az CaC03 U mg/L 2 10 6/5/97 sh <br />Total Alkalinity 161 mg/L 2 10 6/5/97 sh <br />Cation-Anion Balance Calculation <br />Cation-Anion Balance 2.2 ;e 6/16/97 talc <br />Sum of Anions 4.75 meq/L 0.01 0.05 6/16/97 talc <br />Sum of Cations 4.96 meq/L 0.01 0.05 6/16!97 talc <br />Chloride M325.2-Colorimetric (RFA) 2 B mg/L I 5 6/5/97 Icj <br />Hardness az CaC03 Calculation bated on dissolvcd Mg & Ca 158 mg/L I 7 6/16/97 talc <br />Lab Filtration ••• 523/97 laa <br />Lab Filtration ~ 4cidification '•' 523/97 laa <br />Nitrate az N, dissolvcd M353.2 - Automatcd Cadmium Reduction U mg/L 0.02 0.1 5/23/97 jb <br />NitratcMitrizc a N, dissolved M353.2 -Automated Cadmium Reduction U mg/L 0.02 0.1 523/97 jb <br />Nitrite az N. dissolved M353.2 -Automated Cadmium Reduction 0.01 B mg/L 0.01 0.05 523/97 jb <br />Residue. Filterable (TDS)QIBOC MI60.1-Gravimevic 240 mg/L 10 20 528/97 rd <br />Residue, Non-Filtcrublc (TSS) Q103-iC M160.2 - Gravimctric 10 B mg/L 5 20 5/28/97 tw <br />r <br />U =Analyze was analyzed for but not detected al the indicated MDL <br />B =Analyze concenvation detccted at a value between MDL and PQL ~~~~~~ <br />PQL =Practical Quantization Limil <br />Vicc President of Operations: Ralph Poulscn <br />REPINIO[cc.03.95.0[ Page t of 2 <br />